Sulli thanks IU for cooking her seaweed soup via Instagram

Well known to be best friends, Sulli often showed off meals made for her by IU via her Instagram, and this time, she wrote, "#Just-made rice by god-Jieun #Mother's side dishes are the best (thumbs up) Jieun-chan's first seaweed soup is the best (thumbs up) #BbiBbi is the best."

Meanwhile, IU will be making her comeback with digital single "BbiBbi" on October 10.